// Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "rand_utils.h"

#include <fstream>

namespace psi {

block block_from_dev_urandom() {
  block ret;
  std::ifstream in("/dev/urandom");
  in.read(reinterpret_cast<char *>(&ret), sizeof(ret));
  return ret;
}

} // namespace psi
